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# fractions

Author Message
Intern
Joined: 29 Jul 2018
Posts: 9
Location: India
GPA: 3.27
WE: Analyst (Consulting)

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15 Sep 2018, 23:41
00:00

Difficulty:

(N/A)

Question Stats:

50% (00:32) correct 50% (01:19) wrong based on 2 sessions

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For each positive integer n, the nth term of a certain sequence is defined by \small x_{n}=\frac{1}{n} - \frac{1}{n + 1}. What is the sum of the first 100 terms of this sequence?

a) 0
b) 1/10,000
c) 99/100
d) 100/101
e) 1
Senior Manager
Joined: 18 Jul 2018
Posts: 374
Location: India
Concentration: Finance, Marketing
WE: Engineering (Energy and Utilities)

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15 Sep 2018, 23:48
amoghgupta wrote:
For each positive integer n, the nth term of a certain sequence is defined by \small x_{n}=\frac{1}{n} - \frac{1}{n + 1}. What is the sum of the first 100 terms of this sequence?

a) 0
b) 1/10,000
c) 99/100
d) 100/101
e) 1

Bunuel can you edit the question. Not able to see the question properly.
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When you want something, the whole universe conspires in helping you achieve it.

Math Expert
Joined: 02 Sep 2009
Posts: 50585

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15 Sep 2018, 23:52
amoghgupta wrote:
For each positive integer n, the nth term of a certain sequence is defined by \small x_{n}=\frac{1}{n} - \frac{1}{n + 1}. What is the sum of the first 100 terms of this sequence?

a) 0
b) 1/10,000
c) 99/100
d) 100/101
e) 1

Discussed here: https://gmatclub.com/forum/for-every-po ... 17215.html

Pleas follow the rules: https://gmatclub.com/forum/rules-for-po ... 33935.html
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Re: fractions &nbs [#permalink] 15 Sep 2018, 23:52
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# fractions

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